ES58741A1 - A connection device by means of selection for automatic or semi-automatic telephone installations. - Google Patents

A connection device by means of selection for automatic or semi-automatic telephone installations.

Info

Publication number
ES58741A1
ES58741A1 ES58741A ES58741A ES58741A1 ES 58741 A1 ES58741 A1 ES 58741A1 ES 58741 A ES58741 A ES 58741A ES 58741 A ES58741 A ES 58741A ES 58741 A1 ES58741 A1 ES 58741A1
Authority
ES
Spain
Prior art keywords
automatic
semi
selection
connection device
telephone installations
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
ES58741A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BETULANDER AUTOMATIC TELEPHONE Co Ltd
Original Assignee
BETULANDER AUTOMATIC TELEPHONE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BETULANDER AUTOMATIC TELEPHONE Co Ltd filed Critical BETULANDER AUTOMATIC TELEPHONE Co Ltd
Priority to ES58741A priority Critical patent/ES58741A1/en
Publication of ES58741A1 publication Critical patent/ES58741A1/en
Expired legal-status Critical Current

Links

ES58741A 1914-07-17 1914-07-17 A connection device by means of selection for automatic or semi-automatic telephone installations. Expired ES58741A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES58741A ES58741A1 (en) 1914-07-17 1914-07-17 A connection device by means of selection for automatic or semi-automatic telephone installations.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES58741A ES58741A1 (en) 1914-07-17 1914-07-17 A connection device by means of selection for automatic or semi-automatic telephone installations.

Publications (1)

Publication Number Publication Date
ES58741A1 true ES58741A1 (en) 1914-08-16

Family

ID=64231560

Family Applications (1)

Application Number Title Priority Date Filing Date
ES58741A Expired ES58741A1 (en) 1914-07-17 1914-07-17 A connection device by means of selection for automatic or semi-automatic telephone installations.

Country Status (1)

Country Link
ES (1) ES58741A1 (en)

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